✍️ Edited by Farhan Ahmed, Editor, MedTestBD · Last updated: August 2026
What Is a Urine C/S Test?
A Urine C/S test, short for Urine Culture and Sensitivity, is the most reliable way to confirm a urinary tract infection (UTI) and find out exactly which bacteria is causing it. The lab takes your urine sample and places it in a special medium where any bacteria present can grow. Once the organism is identified, a second step called sensitivity testing checks which antibiotics will kill it and which ones it resists. This is why doctors trust the Urine C/S over a simple dipstick test when they need to treat an infection correctly the first time.
Why Is a Urine C/S Test Done?
Your doctor may order a Urine C/S test if you have symptoms of a urinary infection, such as a burning feeling when passing urine, needing to go very often, cloudy or foul-smelling urine, lower belly pain, or blood in the urine. It is especially important in cases where infections keep coming back, where an earlier antibiotic did not work, during pregnancy, or when a kidney infection is suspected. Because the sensitivity part of the test names the exact antibiotic that will work, it helps avoid the guesswork that leads to antibiotic resistance.
Understanding Your Urine C/S Result
Results usually take two to three days because the bacteria need time to grow. A result of "no growth" or growth below 10,000 colony-forming units per millilitre (CFU/mL) is generally considered negative, meaning no significant infection. Growth of 100,000 CFU/mL or more of a single organism usually confirms a UTI. When bacteria are found, the report also lists antibiotics marked as "sensitive" (will work) or "resistant" (will not work). Your doctor reads this alongside your symptoms, so always let them interpret the report rather than starting medicine on your own.
How to Prepare for the Urine C/S Test
Good preparation keeps your sample from getting contaminated, which is the most common reason for an unclear result.
- Collect a midstream clean-catch sample. Clean the genital area first, especially important for women, then begin urinating, and only collect from the middle of the stream.
- The first urine of the morning is best because bacteria are more concentrated overnight.
- Avoid antibiotics for 48 to 72 hours before the test unless your doctor tells you otherwise, since medicine in your system can hide the bacteria.
- Use the sterile container given by the lab and take it back quickly, or refrigerate it if there is a delay.
Urine C/S Test Price in Bangladesh
The Urine C/S test price in Bangladesh ranges from around BDT 200 at government and public labs to about BDT 1,500 at large private diagnostic chains, so where you go makes a real difference to the cost. Prices change and each centre sets its own rate. Compare the latest Urine C/S test prices across diagnostic centers on MedTestBD →
Normal ranges cited on this page are based on MedlinePlus and WHO guidance. Prices are collected from public sources and may change — confirm with the facility before visiting. This information is for general reference only and is not medical advice. Always consult a qualified physician.
